Like any other river, it flows downhill. Upper Egypt (south) has very high elevation and the Nile starts in Ethiopia which also has high elevation. The Nile flows down the river into Lower Egypt (north) and into the Mediterranean Sea.
The Nile River flows from the North
The Nile River flows north.
South to north.
Gravity
North
The Nile flows from south to north, emptying into the Mediterranean Sea.
south to north
South to North.
South to North
To the Mediterranean Sea in North Egypt.
They both flow north.
The Nile in Egypt